FVXX20 KNES 180148
VOLCANIC ASH ADVISORY
ISSUED: 20060818/0147Z   VAAC: WASHINGTON

VOLCANO: TUNGURAHUA 1502-08
LOCATION: S0128 W07826   AREA: ECUADOR

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2006/550

INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. GFS
WINDS. GEOPHYSICAL INST. SURFACE OBSERVATIONS. 

ERUPTION DETAILS: ERUPTION TO FL500 AROUND
17/0400Z WITH CONTINUING EMISSION TO ESTIMATED
FL280.

OBS ASH DATE/TIME: 17/2345Z

OBS ASH CLOUD: SFC/FL370 N0058 W08435 - S0132
W07823 - S0340 W08104 - S0349 W08412 - N0058
W08435 MOVING W 15-20 KNOTS. SFC/FL450 S0210
W07509 - S0346 W07549 - S0355 W07759 - S0219
W07734 - S0210 W07509 MOVING SE 10 KNOTS. 

FCST ASH CLOUD +6H: 18/0600Z SFC/FL350 S0001
W08434 - S0133 W07824 - S0348 W08101 - S0352
W08438 - S0001 W08434 SFC/FL450 NO VA EXP.

FCST ASH CLOUD +12H: 18/1200Z SFC/FL270 25NM WIDE
LINE BETWEEN S0131 W07823 - S0156 W07953. 

FCST ASH CLOUD +18H: 18/1800Z SFC/FL270 25NM WIDE
LINE BETWEEN S0131 W07822 - S0156 W07952. 

REMARKS: NOTE CORRECTED ADVISORY NUMBER...DUE TO
RAPID SCAN LAST IMAGE TO SHOW TOTAL AREA WAS
17/2345Z. IN THAT IMAGE 2 DISSIPATING AREAS CAN
BE DETECTED. THE FAINT DETACHED FL450 AREA IS
DRIFTING SOUTHEAST. A PILOT REPORTED FLYING AT
FL280 BELOW THIS AREA. THE WESTWARD MOVING AREA
CONTAINS BOTH RESIDUAL ASH AND CONTINUING
EMISSIONS. THE RESIDUAL ASH WILL CONTINUE TO
DISSIPATE WITH ONLY THE CURRENT PLUME CONTINUING
PAST 09Z. THE SEISMIC ACTIVITY HAS DECREASED
HOWEVER A VIVID HOTSPOT CONTINUES.   ...SWANSON

NEXT ADVISORY: WILL BE ISSUED BY 20060818/0745Z

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